Question

The ocean floor directly beneath the boat is at a depth of 180 meters. The submarine descends at a constant rate of 0.4 meters per second. How long, in seconds, could a scientist spend descending after boarding the submarine?

Answer 1

long tiem

Explanation:

very long tiem

Answer 2

The scientist spent 450 seconds in descending after boarding the submarine.

Explanation:

The ocean floor directly beneath the boat is at a depth of 180 meters.

The submarine descends at a constant rate of 0.4 meters per second.

So, to reach 180 meters time taken will be =
`(180)/(0.4)= 450` seconds

Therefore, the scientist spent 450 seconds in descending after boarding the submarine.